Failed to run in Firefox

[vitali2y]

The app failed when running under Firefox (by executing MARKETPLACE_BROWSER=firefox npm run dev) - everything finished when socket emits 'connect_timeout':

hmmm, err on start: 
Error: timeout
Stack trace:
listen/<@https://127.0.0.1:43443/js/peer-browser-bundle.js:38451:44
_parallel/<@https://127.0.0.1:43443/js/peer-browser-bundle.js:3930:9
once/<@https://127.0.0.1:43443/js/peer-browser-bundle.js:3871:9
iterateeCallback@https://127.0.0.1:43443/js/peer-browser-bundle.js:3698:17
onlyOnce/<@https://127.0.0.1:43443/js/peer-browser-bundle.js:3887:9
_parallel/</<@https://127.0.0.1:43443/js/peer-browser-bundle.js:3927:13
f@https://127.0.0.1:43443/js/peer-browser-bundle.js:89711:22
on@https://127.0.0.1:43443/js/peer-browser-bundle.js:14109:5
[101]</Emitter.prototype.emit@https://127.0.0.1:43443/js/peer-browser-bundle.js:14177:7
[634]</Socket.prototype.emit@https://127.0.0.1:43443/js/peer-browser-bundle.js:103827:5
[632]</Manager.prototype.emitAll@https://127.0.0.1:43443/js/peer-browser-bundle.js:103170:7
[632]</Manager.prototype.connect/errorSub<@https://127.0.0.1:43443/js/peer-browser-bundle.js:103331:5
[101]</Emitter.prototype.emit@https://127.0.0.1:43443/js/peer-browser-bundle.js:14177:7
[632]</Manager.prototype.connect/timer<@https://127.0.0.1:43443/js/peer-browser-bundle.js:103352:7